class Crack::JSON

def self.format_dates(output, date_starts, date_ends)
  if YAML.constants.include?('Syck')
    (date_starts + date_ends).each { |i| output[i-1] = ' ' }
  else
    extra_chars_to_be_added = 0
    timestamp_marker = '!!timestamp '
    timestamp_marker_size = timestamp_marker.size
    date_starts.each do |i|
      output[i-2+extra_chars_to_be_added] = timestamp_marker
      extra_chars_to_be_added += timestamp_marker_size - 1
    end
  end
end